Which of the following does not belong to the group? a. fermentation b. salt formation c. distillation d. precipitation *This is a multiple choice type of question

Q: A. colorless B. odorless C. tasteless D. all of above

A: The question is based on the properties of p- block elements. it talks about oxide of carbon which…

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Q: Explain how a geologist might use the flame test to identify a cation from different mineral…

A: A question based on qualitative analysis, which is to be accomplished.

Q: electrons with other positively charged ions in soil solutions.

A:

Q: What compound is the precipitate formed in the Bromine water test?

A: ANSWER

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A: Given that silver cyanide (AgCN) is formed as a precipitate when X-ray films undergo cyanide bath.…

Q: A 0.4334 g sample of canned tuna was analyzed by the Kjeldahl method; 24.61 mL of 0.1180 M HCl were…

A: Option 4- 9.38%

Q: Write about lead and its effect on humans

A: Lead (Pb) is a heavy, soft, bluish metal, and occurs in nature in the formof ores. Once Pb is mined,…

Q: How does this chemical reaction causes the fireworks to operate. 6KNO3 + C7H4O + 2S -------->…

A:

Q: Which statement is false regarding labels on chemical containers? a. labels tell the embalmer how…

A: Label is an indicative of hazardous behaviour and precurtions need to be employed during use.

Q: Choose which waste disposal container you should dispose of the unused 0.1 M FeCl3 solution. A) acid…

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Q: For Questions 20-24 consider the following scenario: A 0.8390 g of an unknown sample containing…

A: Your answer is correct. The explanation is given here. The sample containing chloride ion reacts…

Q: what is the balanced chemical equation for copper (II) nitrate and aluminum in water

A: We have to write the balanced chemical equation for copper (II) nitrate and aluminum in water

Q: Explain the michaeli's equation?

A: The enzyme surface contains a definite amount of active sites, where the substrate can get attached.…

Q: What type of reaction is this

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Q: 4. Explain the laboratory rules for waste disposal.

A: Given question demands the all type of waste disposal rules used in the laboratory. We know that, in…

Q: 14 12 10 8 pH 4

A: Dear student I have given answer to your question in the image format.

Q: what reagent  reacts with dissolved mercury to form metallic mercury?

A: The ammonia causes the disproportionation of Hg2Cl2 to form black Hg metal and white HgNH2Cl,…

Q: Research on fireworks. Find out the chemicals responsible for the display of beautiful colors.

A: To Explain: Chemicals responsible for the display of beautiful colours in fireworks.

Q: Describe what happened to the overall level of carbon dioxide over this period of time.

A: There is an increase in carbon dioxide concentration in the atmosphere over a period of time. This…

Q: Sugar-water solution Sand ethod to separate the sand from the other substances in the

A: As we know,  sand form heterogeneous mixture with water.  So, we can separate mixture by simple…

Q: This data below applies to questions 19 - 23. A 22.34 g sample of chromium ore consisting of impure…

A: We know that Absorbance = ∈cl Plot of vs concentration will give straight line passing through…

Q: How do you measure the amount of heavy metals concentration in soil?

A: Heavy metals refer to any metallic chemical element that has a relatively high density and is toxic…

Q: A 0.4334 g sample of canned tuna was analyzed by the Kjeldahl method; 24.61 mL of 0.1180 M HCl were…

A: Given: The mass of the sample is 0.4334 g The volume of hydrochloric acid (HCl) is 24.61 mL The…

Q: Lead (Pb) is a heavy metal which has a leaching rate of about 0.0012 mg/L per year. Consider a lake…

A: Leaching rate of Pb = 0.0012mg/L per year Volume of lake = 2.25x10^9 L Mass of Pb present initially…

Q: CuO(s) + HCl(aq) → CuCl2 (aq) + H20(1) The mass of CuO was measured to be 2.500 g. The volume of HCl…

A: Molarity (M) :-  The number of moles of solute dissolved in one litre of solution is known as…

Q: How do stalactites and stalagmites are formed in various caves?

A: Speleothems, also known as formations or decorations, seem to be cave features that are created by…

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A: An arrow function is a type of function syntax in Javascript that at first glance appears to be a…

Q: Using water, how could you distinguish between the white solids KCl and PbCl2

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Q: A student dissolves 111 g of compound Q in one liter of hot water. All of compound Q dissolves.…

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Q: What is the inactive ingredient of a precipitated sulfur ointment?

A:

Q: What is the difference between chemical species, an ion, and an element? 2. Provide examples of all…

A: Hello. Since more than one question has been posted, the first question shall only be answered in…

Q: A 500 mL of river water contains 0. 06 g of mercury. the concentration in ppm is: O 120 ppm O 0.12…

A: Since you have posted a question with multiple questions, we will solve first question for you. To…

Q: Lead (Pb) is a heavy metal which has a leaching rate of about 0.0078 mg/L per year. Consider a lake…

A: Leaching rate = 0.0078mg/L per year Volume of lake = 2.25x109 L Initial lead content in lake =…

Q: An impure sample of table salt that weighed 0.8631 gg   when dissolved in water and treated with…

A: Given mass of impure sample = 0.8631 g mass of AgNO3 formed = 2.040 g

Q: What is the importance of Chemical Safety in the laboratory

A: The role of chemical safety in lab is very high. If we do not use precautions before experiment we…

Q: Discuss about  method of distillation

A: Distillation is the process by which two or more liquids can be seperated on the basis of the…

Q: What is the balanced equation for the reaction of sodium hydroxide and succinic acid?

A:

Q: How do you make  metal polluted river bodies safe and wholesome for drinking  Explain your answer…

A: Enormously high credits of heavy metals and other particulates are the reason for the drinking water…

Q: You are investigating the reactivity of magnesium a. Draw a box diagram to show the electrons…

A: Electron configuration is written by filling the electrons into subshells in increasing order of…

Q: zinc sulfate + iron bromide precipate

A: Precipitation reactions are those reaction in which a highly insoluble salt is formed as the…

Q: what chemical test is used to distinguish the two? a. bromine b. molisch's test c. lucas d.…

A:

Q: Solutions containing calcium produce a red-orange color in flame tests. When a flame test is done on…

A: Flame test is the analytical procedure to determine the presence of certain elements, primarily…

Q: Using a single reagent, state how you would distinguish dilute solutions of HCl from dilute…

A: Qualitative analysis involve various chemical tests that are used to distinguish solutions of…

Q: Why did the bulb light when NaCl is mixed with distilled water? Explain in terms of chemical…

A: When electrodes are placed in pure water/distilled water, the bulb does not produce light. This is…

Q: A first aid manual suggests that vinegar should be used to treat wasp sting and baking soda for bee…

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Q: Explain why Transition Elements show variable oxidation states

A: In periodic table, there are four S, P, d ,F block elements are present. Transition metals are…

Q: the balanced equation for Lead Nitrate & Ammonium Sulfate. What is the white precipitate that forms?

A: The reactants given are  Lead Nitrate = Pb(NO3)2  Ammonium Sulfate = Al2(SO4)3